426327823 has 2 divisors, whose sum is σ = 426327824. Its totient is φ = 426327822.

The previous prime is 426327773. The next prime is 426327827. The reversal of 426327823 is 328723624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426327823 - 2¹³ = 426319631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426327827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213163911 + 213163912.

It is an arithmetic number, because the mean of its divisors is an integer number (213163912).

Almost surely, 2^426327823 is an apocalyptic number.

426327823 is a deficient number, since it is larger than the sum of its proper divisors (1).

426327823 is an equidigital number, since it uses as much as digits as its factorization.

426327823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 37.

The square root of 426327823 is about 20647.7074514339. The cubic root of 426327823 is about 752.6294802636.

The spelling of 426327823 in words is "four hundred twenty-six million, three hundred twenty-seven thousand, eight hundred twenty-three".